I myself am convinced, my brothers, that you yourselves are full of goodness, brimming with knowledge, and able to instruct one another.
KJV
And I myself also am persuaded of you, my brethren, that ye also are full of goodness, filled with all knowledge, able also to admonish one another.
ASV
And I myself also am persuaded of you, my brethren, that ye yourselves are full of goodness, filled with all knowledge, able also to admonish one another.